:root {
    --bg-color: #020617; /* Very dark slate for modern dark mode */
    --card-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at top center, #1e1b4b, var(--bg-color));
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

.dashboard-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.glass-header {
    text-align: center;
    margin-bottom: 3.5rem;
    animation: fadeInDown 0.8s ease-out forwards;
    opacity: 0;
}

.glass-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #c084fc, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.glass-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
    font-weight: 300;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.stats-cards .glass-card:nth-child(1) { animation-delay: 0.1s; }
.stats-cards .glass-card:nth-child(2) { animation-delay: 0.2s; }
.stats-cards .glass-card:nth-child(3) { animation-delay: 0.3s; }

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--accent-glow);
    border-color: rgba(255,255,255,0.2);
}

.card h3 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-container {
    padding: 2rem;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
    display: flex;
    flex-direction: column;
}

.chart-container h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #e2e8f0;
    font-weight: 600;
}

.canvas-wrapper {
    position: relative;
    height: 350px;
    width: 100%;
    flex-grow: 1;
}

canvas {
    width: 100% !important;
    height: 100% !important;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}